Bandwidth in computing is a measure of how much data can be transferred over a medium in a given amount of time, mostly shown as MBit/s or GBit/s. It is the primary way of classifying the speed of computer networks or data buses.

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Does giving two bands in a simultaneous dual band wireless router the same SSID double the bandwidth for a wireless connection?

I am sharing my wifi with a Linksys E2500 router, which allows you to name each frequency (2.4 GHz, 5.0 GHz) of wireless network a different name. A user told me that if each band has a different ...
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Why the usage spikes?

I have a Verizon wireless account with a phone and a wireless router. I have a 2 gig data plan - I do not use much bandwidth, as I use my computer for email, web, writing, and development, much less ...
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91 views

Does the type of SATA port matter in regards to fileservers?

I want to build a dedicated home file server that will also be used for streaming numerous video files. Does the SATA bandwidth matter if I will be using 1tb 7200rpm drives? Also, would I be able to ...
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Will connecting to my external IP from my internal network flow through ISP?

I have my internal network: 192.168.0.0/24 My router is assigned the external ip: 231.123.11.12 My question is, if from one of my internal computers (192.168.0.100), I connect to the external IP, ...
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Monitoring Internet data from modem

I'm about to get a new ADSL internet connection and the data available is split between me and two other housemates. As i am going to be the Administrator, i was wondering if there is any way to ...
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464 views

Monitor bandwidth usage per user in linux

I have "chrooted" my users in my Ubuntu Server and I need to monitor their bandwidth usage. Since they can access to a FTP, a SSH and a website runned by a chrooted PHP-FPM, I need to monitor all ...
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939 views

how can one setup a bandwidth control on a local network? [closed]

I want to setup bandwidth control for our network, by using a 'main' computer as the hub to manage bandwidths of other computers connected to the same network. Also, I have a dedicated IP with my ...
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103 views

What is it that determines a network's bandwidth?

While I understand the concept of bandwidth in an Ethernet network - the Ethernet card in my computer "transmits" packets at a certain speed so I have a 100 Mbps network. However, what gives other ...
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881 views

Can I use multiple vpn connections to increase bandwidth

There is wifi network in our college and it only connected to local server so if we want to use internet we have to connect to a vpn server using our specific user/pass the problem is bandwidth is ...
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415 views

Lower bandwidth on Linux than on Windows behind same wireless router

UPDATE: When I connected via an Ethernet cable directly running from my Linux laptop to my wireless router, I get the correct bandwdith (~10 Mbits/s). It's only when I connect wirelessly that my ...
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Determining contributors to elapsed time during a network request

The situation: There is a remote server. I am running a client program that makes calls to the server and requests data. These requests perform very slowly. The server limits the number of results ...
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219 views

Troubleshoot ssh -X a lot less responsive than VNC

I need to work on a GUI on a remote Linux (CentOs) server (I measured with iperf a ~8Mbits/sec connection between these two machines). I always used ssh -X instead of VNC for this since: I need to ...
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Does PCIe 3.0 x8 provide enough bandwidth for a dual QSFP 40Gbit NIC?

I'm researching dual QSFP 40GBit network cards for a work project and have a few questions regarding PCIe 3.0's theoretical max bandwidth. I'm currently looking at a dual QSFP PCIe 3.0 x8 card on CDW ...
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28 views

Distributing proxy server

I am searching for some sort of proxy forwarder that will keep a stack of other proxy servers and will distribute connections between them. It will accept connections as usual proxy server, but then ...
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585 views

Extra Bandwidth - Why Still Lag In Games?

I have two computers - one for media streaming and one for gaming. My media streaming machine streams using the Asian P2P Media Streaming software Funshion. I've capped my download/upload speed on my ...
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What drawbacks are there when using memory that is faster than what is rated by the motherboard?

With the Core i7 platform, memory speeds of up to 1600MHz are officially supported, but kits are sold with speeds of up to 2133MHz and beyond. Are the caveats/drawbacks of using faster-than-rated ...
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170 views

test isp for bandwidth throttling

As of late youtube has been slow to load like 30-45 seconds in it will pause and buffer for 2-3 min. this happens on my wifes mac , my desktop and my work laptop so im pretty sure its not a hardware ...
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252 views

How many users could I host on a VOIP server running on my home internet connection?

I have 25 Mbps on the downstream and 2 Mbps (250 KBps) on the upstream. I imagine upload speed is most important. For a very high quality TeamSpeak audio codec, bandwidth transfer for a single user ...
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137 views

Restrict Bandwidth by IP

Is there an easy way to restrict the bandwidth available to a specific range of IPs? My scenario is I've recently discovered that watching movies on LoveFilm uses a lot more bandwidth than other ...
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95 views

I have a CentOS Based server. Each domain has its own entry in vhosts. How can I find out what domains are using up bandwidth?

I have a CentOS Based server. Each domain has its own entry in vhosts. Everything is logged in /var/log/httpd/access_log. How can I find out what domains are using up bandwidth? It is running ...
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217 views

bandwidth control during youtube upload

I am having a slow internet connection and I am looking for some solution so that I can divide the 1/5th of available bandwidth to me for youtube uploads while at the same time working with other ...
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133 views

usenet server uses more bandwidth then I can measure

So here's the situation. I just started using usenet (server Newshosting), and I am on a bit of a limited bandwidth local network so I've been trying to figure out how much bandwidth I'm actually ...
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104 views

Controlling bandwith while using GPRS on Windows 7 [duplicate]

I have an issue with my windows 7 machine using a lot of bandwith while connected to the internet. I'm trying to limit the bandwith by using Opera in Turbo mode, but some other program is sucking down ...
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233 views

download a large file using multiple connections and PCs

I have three seperate computers, which I currently do not have an OS on. I also have three seperate internet connections with connection speeds of 256K, 512K and 1M. I would like to use all three of ...
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278 views

Bind process to network interface

I'm attempting to perform simultaneous bandwidth tests from a single machine using multiple network interfaces. None of the utilities I've found so far allow me to do this. The closest was iperf ...
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744 views

Router speed not matching my ISP speed

My ISP recently upgraded me to 150 mbps, I can only get close to this if I wire directly from the modem to my computer. If I wire through my router it maxes at 55, the router model is Linksys E1550, ...
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Is there any alternative firmware for ZTE zxv10 w300

I am sharing a ADSL connection with my friends using a ZTE w300 wireless router. However as many people are sharing the connection when one person is downloading the bandwidth cannot be throtelled. ...
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Low bandwidth only on Windows XP

Hi I own really old PC and I've 10Mbps/1Mbps Plan. Internet is distibuted with router over whole house. The old PC uses 802.11b (up to 11Mbit/s download) Wifi card and has Windows XP+SP3 installed. ...
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1k views

Linux - Network Traffic Priority by IP

I'm using Ubuntu 12.10 and looking for a way to shape network traffic based on the IP address. I have a LAN, lets say from 192.168.1.2 - 192.168.1.254. The server is at 192.168.1.1. All IPs should ...
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Method for testing bandwidth/speed between two set points

I often work from home and wanted to see how good the connection was between the two points. I can speed test both locations of course, but that isn't necessarily representative of the actual ...
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61 views

How can I see which programs/users are talking to which network addresses and how much ? (Unix/Ubuntu) [duplicate]

Possible Duplicate: Is there a way to find out what application using most of bandwidth in Linux? I'm interested in which programs are using my network connection and how much. I wondered ...
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Finding the memory bandwidth of each core of my processor

Hi I am learning PETSc (a software for solving PDES' numerically in parallel) and I came this passage in the FAQ High per-CPU memory performance is required. Each CPU (core in multi-core systems) ...
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how to troubleshoot asymmetric speed PPTP VPN speed? (downlink to client is slow, the server bandwidth up, and there is no encryption overhead)

I hope I have a general question motivated by my specific problem: I have acceptable upload speeds and unacceptable download speeds on my VPN while I think both endpoints have quite some bandwidth in ...
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249 views

Why does one person downloading kill the internet for the rest of the house?

We have 25 megs on the downstream and 2 megs on the upstream. When doing a speed test without anyone downloading (from Usenet, for example), we get the full download and upload. However, if one ...
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Wifi monitor bandwidth by IP address

Is there a way to monitor the bandwidth being used by each IP address in my network? I'm using an apple time capsule router.
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Extended bandwidth test

I need to document the quality of an internet connection (it's crap). Download speeds frequently jump between 12kbps and 3mbps, and packet loss usually sits around 20%, though blackouts lasting up to ...
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scheduling various things and balancing bandwidth while using torrent and uploading

I have approximately 200 files to be downloaded via BitTorrent, these files can be from 200mb to 4.8 GB on the same time I want to take backup of some already existing pdfs in my home directory, ...
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239 views

Bandwidth usage on MRTG ppp-channel

I have a Billion 7401 VGP router connected to a commercial ISP (ADSL). I have configured a Linux machine to connect via MRTG regularly to collect statistics on the line. I noticed the following ...
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819 views

Application-priority based automatic bandwidth distribution in Windows?

Whenever my browser wants to download data, I want it to be granted as much of the bandwidth as it wants, while other applications must do with the leftover bandwidth; and when the browser is not ...
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3k views

Internet via tethering: How to limit PC internet usage? [duplicate]

Occasionally, I need to tether my android phone to my laptop to get internet. I have very little mobile internet (500MB /month) and it can disappear very quickly. I need a few tips on how to use force ...
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Does AdBlock Plus use internet bandwidth?

Lately I noticed that after installing the Chrome extension AdBlock Plus, my internet bandwidth was used more than ever before. Does AdBlock Plus use your internet, anonymously? I'm a little ...
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485 views

Reducing bandwidth usage on chrome by limiting images downloading

I can disable Chrome image loading in Settings > Privacy > Content settings > Images > Do not show any images. Or in Firefox in Options > Content > Load images automatically. I'm looking for an ...
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1answer
120 views

What capabilities to look for a wifi router to avoid clogging?

I am looking for a new wireless router that should automatically distribute available bandwidth to all users connected (up to 10 via wifi), particularly avoiding situations where some (one) user sucks ...
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Bandwidth of PCI SATA card VS built-in SATA

I have an older HP DL 380 G4 server that I want to utilize as a NAS. Currently it has 6 Hot Swap drives coming in at a measly 36.4 GB each – not exactly a ton of space. It does have a PCI slot ...
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2answers
347 views

Tackling bandwidth optimization (possibly) through R-Sync

I am currently looking for solutions that can optimize network bandwidth usage. Scenario: Server has a file. Client downloads it through a REST API. Client makes some changes and uploads the changed ...
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Attempting to find where my internet data is being used. Does this seem right?

Google chrome Extensions Used: Adblock Plus IDM Integrated LastPass Neater Bookmarks Pocket I use a monitoring software called "NetWorx" to check the overall internet data usage. I also use ...
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300 views

How to get download and upload bandwidth from Linux via shell?

I'd like to write a shell (bash) script that prints the system's download and/or upload capacities (in Kbps): # Get download bandwidth sh fetch-bandwidth.sh DOWNLOAD > 556 Kbps download bandwidth ...
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248 views

How to tell trickled to restore bandwidth to 100%?

I've been reading up on trickled which can be used to throttle both upload and download bandwidth: # Throttle download and upload bandwidths to 100KB. trickled -d 100 -u 100 But none of the ...
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Measure the overall network usage

Can anyone please tell me how can I measure the network data. For example, my office wifi is used by me and 5 of my employees. Can I check the amount of data being downloaded from individual PC? ...
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371 views

Using two Internet connections at the same time

Recently I got a second Internet connection. Each connection has 50mpbs capacity. One of them is directly connected to my laptop via PPPoE (with username and password); the second one is Wi-Fi from ...